Home / 991,775.04-1,368,620.79-562,094.88

Finding the Fourth Proportional to 991,775.04, 1,368,620.79 and 562,094.88

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Solution

The fourth proportional to 991,775.04, 1,368,620.79 and 562,094.88 is: 775,674.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,775.04 : 1,368,620.79 = 562,094.88 : x
  2. Step 2: Convert to fraction form
    991,775.04/1,368,620.79 = 562,094.88/x
  3. Step 3: Cross multiply
    991,775.04x = 1,368,620.79 × 562,094.88
  4. Step 4: Simplify right side
    991,775.04x = 769,294,738,720.56
  5. Step 5: Solve for x
    x = 769,294,738,720.56/991,775.04
  6. Step 6: Final answer
    x = 775,674.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.